Finding the Fourth Proportional to 22,895.10, 31,588.06 and 12,822.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,895.10 : 31,588.06 = 12,822.18 : x
2. Step 2: Convert to fraction form
   22,895.10/31,588.06 = 12,822.18/x
3. Step 3: Cross multiply
   22,895.10x = 31,588.06 × 12,822.18
4. Step 4: Simplify right side
   22,895.10x = 405,027,791.17
5. Step 5: Solve for x
   x = 405,027,791.17/22,895.10
6. Step 6: Final answer
   x = 17,690.59